DevFest OnAir is an online conference featuring sessions from DevFest events around the globe. Register now to view exclusive content from Google along with an opportunity to join the Q&A forum online.

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The Android App Bundle is Android's new app publishing format. It means a smaller app for your users and a streamlined, more efficient release process for you. The app bundle also introduces modularization so you can deliver dynamic features on demand and increase discovery with Google Play Instant.

If you didn't have a chance to attend all of your favorite talks, or you want to refresh what you learned at the conference, you can (re)watch recordings of the Keynotes and Sessions on the I/O website at your convenience.

We'd love your feedback so we can continue to tailor our content to your needs in future years! To rate a Session you attended and/or watched, sign-in on the I/O website, click on it from the main schedule page, and click the blue Rate session button.

When you publish an Action for the Google Assistant, you’ll be invited to join our developer community program and receive an Assistant t-shirt, plus up to $200 in Google Cloud credit each month for one year. Hit certain product milestones and you’ll be eligible for Google Home devices, invitations to exclusive events, mentorship by Googlers, and other rewards!